American Heritage Dictionary
(2)
Century Dictionary
GNU Webster's 1913
WordNet
(1)
Elsewhere on the web
NPR lovers with weird haircuts, skinny jeans and fixed-wheel bicycles, hightail it to— NBC San Diego - News Top Stories
Hey jason Im tired of this constant turmoil Where should i hightail it to?
But the young widow had barely told him to hightail it off her property before going into labor.— RR@H Novel Thoughts & Book Talk
Along with this defence comes the stability of both buyers and sellers to hightail it accurate that what erather sprog is annoying is justifiable, gentle and nontoxic.— blogTO
While girls have been known to sew their own T-shirt dress creations, most just hightail it to Northgate Vintage / Material, a small shop right off of University Drive owned by A&M graduate Kellie Lewis.— The Battalion

American Heritage Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about once a year.